Yttrium Oxide
Formula : Y2O3
Appearance : White powder
Application : Used in three-band RE fluorescent powder, CTV phosphors, computer display phosphors.
Packing : 50kg Steel drum inner two 25kgs vaccum packing
Items
Specifications
Typical analyses
Analytical instruments
Formula
Y2O3
Y2O3
REO %
= 99
= 99
Purity and relative RE impurities
Y2O3/REO %
= 99.99
= 99.999
La2O3/REO %
= 0.0002
< 0.0001
< 0.00005
?
CeO2/REO %
= 0.0001
< 0.00005
< 0.0002
??
Pr6O11/REO %
= 0.0005
< 0.0001
< 0.0002
?
Nd2O3/REO %
= 0.0003
< 0.0001
< 0.0001
?
Sm2O3/REO %
= 0.0003
< 0.0001
< 0.0001
?
Eu2O3/REO %
= 0.0001
< 0.0001
< 0.0001
?
Gd2O3/REO %
= 0.0003
< 0.0001
< 0.0001
?
Tb2O7/REO %
= 0.0005
< 0.0001
< 0.0001
?
Dy2O3/REO %
= 0.0003
< 0.0001
< 0.0001
?
Ho2O3/REO %
= 0.0001
< 0.0001
< 0.0002
?
Er2O3/REO %
= 0.0001
< 0.0001
< 0.0001
?
Tm2O3/REO %
= 0.0001
< 0.00005
< 0.00005
?
Yb2O3/REO %
= 0.0001
< 0.00005
< 0.00005
?
Lu2O3/REO %
= 0.0001
< 0.00005
< 0.00005
?
Non-RE impurities
Fe2O3 %
= 0.005
< 0.0001
< 0.0001
?
SiO2 %
=0.005
< 0.0001
< 0.0001
CaO %
= 0.005
< 0.0001
< 0.0001
?
CuO %
= 0.003
< 0.0001
< 0.0001
?
NiO
< 0.0001
< 0.0001
?
PbO
< 0.0001
< 0.0001
?
Cl- %
= 0.02
< 0.0001
Loss on ignition %(1000?,1hour)
= 0.8
= 0.8
= 0.5
Medium diameter um(Power mass accumulating)
2.5~7
2.5~7
??
Notes
ICP-AES/ Induction coupler plasma atomic emission spectrograph
PE-3100/ Atomic absorption spectrophotometer
TA-II/ Coulter counter analyzer
SKC-2000/ Particle size distribution analyzer
TA-II/ Coulter counter analyzer
[Rare Earth] Yttrium Oxide(Y2O3) 99.999%
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